|  
                Year  
            |  
         
             Beginning Price  
            |  
         
             Ending Price  
            |  
         
             Gain or Loss 
            |  
         
             Percent Gain or Loss  
            |  
      
|  
           1975 
            |  
         
           2.75 
            |  
         
           4.375 
            |  
         
           1.625 
            |  
         
           59.09% 
            |  
      
|  
           1976 
            |  
         
           4.375 
            |  
         
           6.50 
            |  
         
           2.125 
            |  
         
           48.57% 
            |  
      
|  
           1977 
            |  
         
           6.50 
            |  
         
           7.125 
            |  
         
           0.625 
            |  
         
           9.62% 
            |  
      
|  
           1978 
            |  
         
           7.125 
            |  
         
           7.125 
            |  
         
           0 
            |  
         
           0.00% 
            |  
      
|  
           1979 
            |  
         
           7.125 
            |  
         
           27.1875* 
            |  
         
           20.0625 
            |  
         
           281.58% 
            |  
      
|  
           1980 
            |  
         
           18.125 
            |  
         
           44.25* 
            |  
         
           26.125 
            |  
         
           144.14% 
            |  
      
|  
           1981 
            |  
         
           22.125 
            |  
         
           12.75 
            |  
         
           -9.375 
            |  
         
           -42.37% 
            |  
      
|  
           1982 
            |  
         
           12.75 
            |  
         
           27.50 
            |  
         
           14.75 
            |  
         
           115.69% 
            |  
      
|  
           1983 
            |  
         
           27.50 
            |  
         
           17.25 
            |  
         
           -10.25 
            |  
         
           -37.27% 
            |  
      
|  
           1984 
            |  
         
           17.25 
            |  
         
           12.625 
            |  
         
           -4.625 
            |  
         
           -26.81% 
            |  
      
|  
           1985 
            |  
         
           12.625 
            |  
         
           12.625 
            |  
         
           0 
            |  
         
           0.00% 
            |  
      
|  
           1986 
            |  
         
           12.625 
            |  
         
           18.50 
            |  
         
           5.875 
            |  
         
           46.53% 
            |  
      
|  
           1987 
            |  
         
           18.50 
            |  
         
           16.625 
            |  
         
           -1.875 
            |  
         
           -10.14% 
            |  
      
|  
           1988 
            |  
         
           16.625 
            |  
         
           17.625 
            |  
         
           1.00 
            |  
         
           6.02% 
            |  
      
|  
           1989 
            |  
         
           17.625 
            |  
         
           19.50 
            |  
         
           1.875 
            |  
         
           10.64% 
            |  
      
|  
           1990 
            |  
         
           19.50 
            |  
         
           16.75 
            |  
         
           -2.75 
            |  
         
           -14.10% 
            |  
      
|  
           1991 
            |  
         
           16.75 
            |  
         
           36.50 
            |  
         
           19.75 
            |  
         
           117.91% 
            |  
      
|  
           1992 
            |  
         
           36.50 
            |  
         
           56.50* 
            |  
         
           20.00 
            |  
         
           54.79% 
            |  
      
|  
           1993 
            |  
         
           28.25 
            |  
         
           34.125 
            |  
         
           5.875 
            |  
         
           20.80% 
            |  
      
|  
           1994 
            |  
         
           34.125 
            |  
         
           23.25* 
            |  
         
           -10.875 
            |  
         
           -31.87% 
            |  
      
|  
           1995 
            |  
         
           15.50 
            |  
         
           25.125 
            |  
         
           9.625 
            |  
         
           62.10% 
            |  
      
|  
           1996 
            |  
         
           25.125 
            |  
         
           27.25 
            |  
         
           2.125 
            |  
         
           8.46% 
            |  
      
|  
           1997 
            |  
         
           27.25 
            |  
         
           21.5625 
                  
           |  
         
           -5.6875 
            |  
         
           -20.87% 
            |  
      
|  
           1998 
            |  
         
           21.5625 
            |  
         
           25.25 
            |  
         
           3.6875 
            |  
         
           17.10% 
            |  
      
|  
           1999 
            |  
         
           25.25 
            |  
         
           16.25 
            |  
         
           -9.00 
            |  
         
           -35.64% 
            |  
      
|  
           2000 
            |  
         
           16.25 
            |  
         
           36.25 
            |  
         
           20.00 
            |  
         
           123.08% 
            |  
      
|  
           2001 
            |  
         
           36.25 
            |  
         
           46.82 
            |  
         
           10.57 
            |  
         
           29.16% 
            |  
      
|  
           2002 
            |  
         
           46.82 
            |  
         
           51.60 
            |  
         
           4.78 
            |  
         
           10.21% 
            |  
      
|  
           2003 
            |  
         
           51.60 
            |  
         
           96.00 
            |  
         
           44.40 
            |  
         
           86.05% 
            |  
      
|  
           2004 
            |  
         
           96.00 
            |  
         
           113.36* 
            |  
         
           17.36 
            |  
         
           18.08% 
            |  
      
|  
           2005 
            |  
         
           56.68 
            |  
         
           61.02 
            |  
         
           4.34 
            |  
         
           7.66% 
            |  
      
|  
           2006 
            |  
         
           61.02 
            |  
         
           52.46 
            |  
         
           -8.56 
            |  
         
           -14.03% 
            |  
      
|  
           2007 
            |  
         
           52.46 
            |  
         
           17.89 
            |  
         
           -34.57 
            |  
         
           -65.90% 
            |  
      
|  
           2008 
            |  
         
           17.89 
            |  
         
           8.67 
            |  
         
           -9.22 
            |  
         
           -51.54% 
            |  
      
|  
           2009 
            |  
         
           8.67 
            |  
         
           12.77 
            |  
         
           4.10 
            |  
         
           47.29% 
            |  
      
|  
           2010 
            |  
         
           12.77 
            |  
         
           18.75 
            |  
         
           5.98 
            |  
         
           46.83% 
            |  
      
|  
           2011 
            |  
         
           18.75 
            |  
         
           19.65 
            |  
         
           0.90 
            |  
         
           4.80% 
            |  
      
|  
           2012 
            |  
         
           19.65 
            |  
         
           38.67 
            |  
         
           19.02 
            |  
         
           96.79% 
            |  
      
|  
           2013 
            |  
         
           38.67 
            |  
         
           39.56 
            |  
         
           0.89 
            |  
         
           2.30% 
            |  
      
|  
           2014 
            |  
         
           39.56 
            |  
         
           44.81 
            |  
         
           5.25 
            |  
         
           13.27% 
            |  
      
|  
           2015 
            |  
        
           44.81 
            |  
         
           48.91 
            |  
         
           4.10 
            |  
         
           9.15% 
            |  
      
|  
           2016 
            |  
         
           48.91 
            |  
         
           42.93 
            |  
         
           -5.98 
            |  
         
           -12.23% 
            |  
      
|  
           2017 
            |  
        
           42.93 
            |  
         
           64.2736* 
            |  
         
           21.3436 
            |  
         
           49.72% 
            |  
      
|  
           2018 
            |  
         
           63.24 
            |  
         
           39.15 
            |  
         
           -24.09 
            |  
         
           -38.09% 
            |  
      
|  
           2019 
            |  
         
           39.15 
            |  
         
           55.79 
            |  
         
           16.64 
            |  
         
           42.50% 
            |  
      
|  
           2020 
            |  
         
           55.79 
            |  
         
           76.23 
            |  
         
           20.44 
            |  
         
           36.64% 
            |  
      
|  
           2021 
            |  
         
           76.23 
            |  
         
           116.16 
            |  
         
           39.93 
            |  
         
           52.38% 
            |  
      
|  
           2022 
            |  
         
           116.16 
            |  
         
           90.50 
            |  
         
           -25.66 
            |  
         
           -22.09% 
            |  
      
|  
           2023 
            |  
         
           90.50 
            |  
         
           149.04 
            |  
         
           58.54 
            |  
         
           64.69% 
            |  
      
|  
           2024 
            |  
         
           149.04 
            |  
         
           136.37 
            |  
         
           -12.67 
            |  
         
           -8.50% 
            |